Colletorto is a comune (municipality) in the Province of Campobasso in the Italian southern region of Molise, located about 45 kilometres (28 mi) from the capital of region Campobasso and 40 kilometres (25 mi) from Termoli (CB) sea town with port, railway and highway A14 (Adriaric line). As 1 january 2015, it had a population of 1,982 and an area of 35.9 square kilometres (13.9 sq mi).